Self-locking nut



FIG. 1 is a front view of the self-locking nut of the invention.

FIG. 2 is a back view of the self-locking nut of the invention.

FIG. 3 is a left side view of the self-locking nut of the invention.

FIG. 4 is a right side view of the self-locking nut of the invention.

FIG. 5 is a top view of the self-locking nut of the invention.

FIG. 6 is a bottom view of the self-locking nut of the invention; and,

FIG. 7 is a perspective view of the self-locking nut of the invention.

The portions of the self-locking nut shown in broken lines in FIGS. 5-7 form no part of the claimed design. 

CLAIM The ornamental design for a self-locking nut, as shown and described. 